1·One of the most powerful of all weather systems, hurricanes are powered by the heat energy released by the condensation of water vapour.
作为所有天气系统中最强大的系统之一，飓风是由水蒸气凝结释放的热能所驱动的。
2·When you pop a frozen waffle into the toaster, electrical energy turns into heat energy.
当你取出一块冷冻华夫饼饼放进烤面包器时，电能转化成了热能。
3·When the radiant energy of the sun falls on the earth, it is changed into heat energy, and as a result the earth is warmed.
当太阳的辐射能落在地球上时， 就变为热能，于是， 地球暖和起来了。
—— 《新英汉大辞典》
4·A process called hysteresis causes some of the heat energy to be lost, but this new alloy has a low hysteresis, the researchers say.
研究人员说，一种叫做磁滞的过程会引起热能损失，但这种新合金具有低磁滞特性。
5·When a fuel unites with oxygen, we say the fuel burns; what is really happening is that chemical energy (fuel and oxygen) is changing to heat energy.
当燃料与氧气结合，我们就说燃料开始燃烧了，实际发生的是化学能(燃料与氧气)转化成热能。